What is wrong with a cop who walks calmly in front of a group of seated students, steadily shaking a can of pepper spray so he can better spread it over them like it’s a bug spray he’s applying to a nest of hornets? That was the question that I asked myself as I watched the horrifying display of brutality in response to an apparently peaceful protest that was part of the “Occupy” movement on the University of California-Davis campus this weekend.